Lang's tests
[医] 兰格氏试验(检牛磺酸)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
the quarterback on our football team.
我们足球队的四分卫。
When I slept, he was out.
当我睡了时候，他外出了。
It will be found that the weight moves but slightly or not at all.
结果会发现，重物是动了，但动得很小，甚至没动。